Locks the document in response to the user choosing the Lock menu item.
SDK
Framework
@IBAction func lock(_ sender: Any?)
senderThe control sending the message.
This is the action of the Lock menu item in a document-based app. This action method invokes the lock(completion method by default.
func unlock(Any?)Unlocks the document in response to the user choosing the Unlock menu item.
func lock(completionPrevents the user from making further changes to the document.
func lock(completionPrevents further modifications from being made to the file.
func unlock(completionAllows the user to make modifications to the document.
func unlock(completionAllows the user to make modifications to the file.
var isA Boolean value indicating whether or not the file can be written to.